1. Which of the following statements are correct? Rewrite each false statement to make it true. K/U (a) Elements listed in rows on the periodic table are in the same family. (b) Elements in the same column of the periodic table exhibit the same physical properties. (c) Elements in the same group are in the same family. (d) Elements that are side by side on the periodic table belong to the same period.

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed